OnePlus Ace 3 vs Oppo A78

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G network

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
EV-DO speed

EV-DO 2.4 Mbps download, 0.15 Mbps upload

-
LTE speed

LTE-A (CA)

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus 2), glass back, aluminum frame

Plastic
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.3 mm

163.8 mm
Width

75.3 mm

75.1 mm
Thickness

8.8 mm

8 mm
Weight

207 g

188 g
Waterproof

-

IP54
Dust proof

-

IP54
Colors

Black, Blue, Rose Gold

Black, Purple

Display
Display type

LTPO AMOLED

IPS LCD
Physical size

6.78 inches

6.56 inches
Resolution

1264 x 2780 pixels

720 x 1612 pixels
Pixel density

450 ppi

269 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass Victus 2

Scratch resistant, 2.5D curved glass screen, Panda glass
Display features

120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)

90Hz, 480 nits (typ), 600 nits (HBM)

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm, 20x digital zoom

(wide) , 50 MP, f/1.8 , 27 mm, 77˚
(ultrawide) , 8 MP, f/2.2 , 112˚ , 16 mm, 1/4.0" , 1.12 µm

(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
(macro) , 2 MP, f/2.4
Primary camera resolution

8190 x 6144 pixels

8190 x 6120 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, proXDR

Autofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 26 mm, 1/3" , 1.0 µm

(wide) , 8 MP, f/2.0 , 27 mm, 1/4" , 1.12 µm, 77˚
Selfie camera resolution

4608 x 3456 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.3

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

Yes
NFC

Yes, eSE, HCE

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5500 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 100W (100% in 27 min)

SuperVOOC, 33W (53% in 30 min, 100% in 67 min)
Talk time 4G

-

22.9 h